Clean Water Act discharge permit · NPDES LA0043940
HARAHAN CITY OF - CITY OF HARAHAN WWTP, Harahan, LA: NPDES LA0043940 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 17Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
HARAHAN CITY OF - CITY OF HARAHAN WWTP, held by HARAHAN, CITY OF, holds NPDES permit LA0043940, which discharges to Mississippi River. EPA’s file records it issued September 29, 2020 and expiring October 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | HARAHAN CITY OF - CITY OF HARAHAN WWTP |
|---|---|
| Permittee as filed | HARAHAN, CITY OF |
| NPDES ID | LA0043940 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 29, 2020 |
| Expiration date | October 31, 2025 |
| Address | Harahan, LA 70123 |
| Receiving water | MISSISSIPPI RIVER |
| Subwatershed | Mississippi River-Bonnet Carre Spillway (HUC 080901000101) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 115Pollutants on file
- 17Under a numeric limit
- 111With a violation of any kind
- 5With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant; the 60 with the most exceedances of 115 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 3 | 89 | 53 | July 31, 2026 | 207% over the limit |
| Coliform, fecal general | 2 | 73 | 47 | July 31, 2026 | 400% over the limit |
| Solids, total suspended | 3 | 69 | 33 | May 31, 2026 | 307% over the limit |
| BOD, percent removal [total] | 0 | 2 | 2 | June 30, 2026 | 273% over the limit |
| Solids, suspended percent removal | 0 | 2 | 2 | June 30, 2026 | 80% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 27 | 0 | ||
| pH | 2 | 26 | 0 | ||
| Phosphorus, total [as P] | 3 | 18 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 18 | 0 | ||
| Nitrogen, nitrate total [as N] | 0 | 8 | 0 | ||
| Cyanide, total [as CN] | 0 | 8 | 0 | ||
| Fluoride, total [as F] | 0 | 8 | 0 | ||
| Arsenic, total [as As] | 0 | 8 | 0 | ||
| Barium, total [as Ba] | 0 | 8 | 0 | ||
| Beryllium, total [as Be] | 0 | 8 | 0 | ||
| Cadmium, total [as Cd] | 0 | 8 | 0 | ||
| Chromium, hexavalent [as Cr] | 0 | 8 | 0 | ||
| Chromium, trivalent [as Cr] | 0 | 8 | 0 | ||
| Copper, total [as Cu] | 0 | 8 | 0 | ||
| Lead, total [as Pb] | 0 | 8 | 0 | ||
| Thallium, total [as Tl] | 0 | 8 | 0 | ||
| Nickel, total [as Ni] | 0 | 8 | 0 | ||
| Silver, total [as Ag] | 0 | 8 | 0 | ||
| Zinc, total [as Zn] | 0 | 8 | 0 | ||
| Antimony, total [as Sb] | 0 | 8 | 0 | ||
| Selenium, total [as Se] | 0 | 8 | 0 | ||
| 2,4,5-Trichlorophenoxypropionic acid | 0 | 8 | 0 | ||
| Carbon tetrachloride | 0 | 8 | 0 | ||
| Bromoform | 0 | 8 | 0 | ||
| Chloroform | 0 | 8 | 0 | ||
| Phenolics, total recoverable | 0 | 8 | 0 | ||
| Benzene | 0 | 8 | 0 | ||
| Acrolein | 0 | 8 | 0 | ||
| Acrylonitrile | 0 | 8 | 0 | ||
| Anthracene | 0 | 8 | 0 | ||
| Bis[2-chloroethyl] ether | 0 | 8 | 0 | ||
| Bis[2-chloro-1-methylethyl] ether | 0 | 8 | 0 | ||
| Chlorobenzene | 0 | 8 | 0 | ||
| Diethyl phthalate | 0 | 8 | 0 | ||
| Dimethyl phthalate | 0 | 8 | 0 | ||
| 1,2-Diphenylhydrazine | 0 | 8 | 0 | ||
| .beta.-Endosulfan | 0 | 8 | 0 | ||
| .alpha.-Endosulfan | 0 | 8 | 0 | ||
| Fluoranthene | 0 | 8 | 0 | ||
| Hexachlorocyclopentadiene | 0 | 8 | 0 | ||
| Hexachlorobutadiene | 0 | 8 | 0 | ||
| Hexachloroethane | 0 | 8 | 0 | ||
| Isophorone | 0 | 8 | 0 | ||
| Methyl chloride [Chloromethane] | 0 | 8 | 0 | ||
| N-Nitrosodiphenylamine | 0 | 8 | 0 | ||
| N-Nitrosodimethylamine [NDMA] | 0 | 8 | 0 | ||
| Nitrobenzene | 0 | 8 | 0 | ||
| 1,2-Dichlorobenzene | 0 | 8 | 0 | ||
| 1,3-Dichlorobenzene | 0 | 8 | 0 | ||
| 1,4-Dichlorobenzene | 0 | 8 | 0 | ||
| 2,4-Dinitrotoluene | 0 | 8 | 0 | ||
| 2,4,6-Trichlorophenol | 0 | 8 | 0 | ||
| 3,3'-Dichlorobenzidine | 0 | 8 | 0 | ||
| 2,3,7,8-Tetrachlorodibenzo-p-dioxin | 0 | 8 | 0 | ||
| Phenol | 0 | 8 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 24Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 31, 2024 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| October 1, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| August 12, 2024 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| December 31, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 12, 2022 | WW SSO - Improper Operation and Maintenance | ST6 |
| December 12, 2022 | WW SSO - Discharge to Waters | ST6 |
| June 20, 2022 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| February 28, 2022 | Monitoring Violations - Frequency of Sampling Violation | ST6 |
| January 31, 2022 | PR: Biosolids: Other Management Practice Violation | ST6 |
| May 31, 2021 | Monitoring Violations - Frequency of Sampling Violation | ST6 |
| May 10, 2021 | WW SSO - Discharge to Waters | ST6 |
| May 10, 2021 | WW SSO - Improper Operation and Maintenance | ST6 |
| August 4, 2020 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| August 4, 2020 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| January 31, 2020 | WW SSO - Improper Operation and Maintenance | ST6 |
| January 31, 2020 | WW SSO - Discharge to Waters | ST6 |
| March 31, 2019 | WW SSO - Improper Operation and Maintenance | ST6 |
| March 31, 2019 | WW SSO - Discharge to Waters | ST6 |
| September 13, 2018 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| July 26, 2018 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| May 29, 2018 | WW SSO - Overflow to Dry Land or Building Backup | ST6 |
| April 5, 2017 | Management Practice Violations - Failure to Maintain Records | ST6 |
| April 5, 2017 | Management Practice Violations - Failure to Develop Adequate SPCC Plan | ST6 |
| April 5, 2017 | WW Storm Water Non-Construction - Failure to Maintain Records | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.